Air purifier



FIG. 1 is a front perspective view of an air purifier, showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of the air purifier in FIG. 1 shownin an alternate configuration;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a rear view of FIG. 8;

FIG. 11 is a left-side view of FIG. 8;

FIG. 12 is a right-side view of FIG. 8;

FIG. 13 is a top plan view of FIG. 8;

FIG. 14 is a bottom plan view of FIG. 8;

FIG. 15 is an enlarged view of the encircled portion 15 in FIG. 1; and,

FIG. 16 is an enlarged view of the encircled portion 16 in FIG. 8.

The even-dash broken lines illustrating portions of the air purifierform no part of the claimed design. The dot-dash broken lines encirclingenlargement portions of the air purifier form no part of the claimeddesign.

CLAIM The ornamental design for an air purifier, as shown and described.